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Learn more. DOI: Qi Li. Mingfa Liu. Jie Hou. Changxing Jiang. Show more authors. Background: Sentinel surveillance of Keshan disease KD is limited by unable to give the prevalence rates and their estimates.
This study was to find the national KD prevalence and the estimated patient numbers to provide evidence toward modifying the policy of KD prevention and control.
Method: Using a probability proportional to population size, randomized, multistage, and cluster sampling, we surveyed ,, measured grain selenium levels; and surveyed household income with pre-designed questionnaires. Chronic KD patients are mainly in the provinces where KD had been seriously epidemic. The KD prevalence rate was higher in females 2. These were also higher in older age groups. The cases younger than 30 years accounted for Multiple logistic regression analysis indicated that family income was a significant dependent variable OR: More than chronic KD patients found in the study were treated in The limitation of this study was that sampling size was determined at national level.